SP TimeSync is a program with multilingual interface which lets you synchronize your computer's clock with any Internet atomic clock (time server). It uses a high-precision network time protocol (NTP) which provides accuracy of several milliseconds depending on the characteristics of the synchronization source and network paths.
Other software by Alexander Panchenko
MegaUPS 1.2 Megatec compatible UPS minidriver for Windows 2000/XP.
SP Dialer 1.31 Advanced Internet dialer, PC clock synchronizer and proxy server.